Loss of control, power struggles, relationship friction, no-win scenarios

A character calling the police so often that they're dismissed when there's a real emergency
The character sharing their harassment story with someone who suggests they misread the situation
Being accused of infidelity and the character's denials not being believed
Being assaulted, then being punished as the aggressor instead of being protected
Being accused of an infraction and not being believed because the people in charge have set up the character as a scapegoat
Presenting facts that go against popular sentiment and being accused of spreading misinformation

The character having to plead their case
Trying to find a witness to what happened
Having to ask people who don't want to get involved to step up and share what they know
Getting shut out of a social group
Being publicly accused of lying
Dealing with behind-the-back gossiping and whispering
Time spent gathering research and evidence
The character losing a contest or game they should have won
The character having to ask friends or family to vouch for their trustworthiness
Becoming increasingly cynical
A friend or co-worker taking the character's side and experiencing backlash
Being right but not being good at arguing or debating
Friends and family getting tired of hearing the character vent about the situation
The character taking a simple misunderstanding personally

Crying wolf so many times that no help comes when the character needs it
The character's self-image being undermined
Forcing friends or family to choose sides
Creating an irreparable schism with a significant other
The character becoming obsessed with proving they're right
The character carrying a grudge against their accuser
Not opening up to anyone about anything because they fear they won't be believed again
Developing a reputation for being untrustworthy
The character blowing up in anger and reinforcing other people's ideas about them
The offense being put on the character's permanent record
The character laying the blame on others to detract suspicion from themselves
Losing a professional designation (as a doctor, lawyer, government official, etc.)
Being forced to make amends (reimbursing missing money, replacing a broken object, etc.) 
Being sent to jail
Giving in, and a horrible injustice going unpunished

AGITATION, ANGER, ANXIETY, BETRAYED, BITTERNESS, CONTEMPT, DEFENSIVENESS, DESPERATION, DISILLUSIONMENT, EMASCULATION, EMBARRASSMENT, FRUSTRATION, GRIEF, HUMILIATION, HURT, INSECURITY, IRRITATION, OBSESSION, POWERLESSNESS, SELF-PITY, SHOCK, UNEASE

The unfairness and betrayal causing deep resentment the character can't get over
Running arguments over and over in their mind
Wanting to lash out at the accuser but knowing it will make things worse
The character starting to doubt their own story
The character wanting to get out of the toxic situation but not wanting to rock the boat
Wanting revenge 

Someone who is depending on the character as a witness in their case, loved ones who will have to decide whether or not to believe the character

COCKY, CONFRONTATIONAL, DISHONEST, GRUMPY, HAUGHTY, HOSTILE, IRRATIONAL, MACHO, MARTYR, MELODRAMATIC, OVERSENSITIVE, PARANOID, PERFECTIONIST, SELFISH, SPOILED, STUBBORN, UNETHICAL, WHINY, WORRYWART

Self-Actualization: A character in this position will have a number of vital needs being attacked, such as their sense of belonging, their esteem, and possibly their safety. Actualization will have to take a back seat until the other more critical issues are resolved.
Esteem and Recognition: The character's credibility, reputation, and ego will take a hit as people assume the worst about them.
Love and Belonging: This situation is especially damaging when the people who don't believe the character are loved ones and close friends who should have their back.
Safety and Security: If the truth is a threat to influential, ego-driven, or volatile people, the character may become a target simply from trying to be honest.

A PARENT'S ABANDONMENT OR REJECTION, A SIBLING'S BETRAYAL, AN ABUSE OF POWER, BATTLING A MENTAL DISORDER, BEING DISAPPOINTED BY A ROLE MODEL, BEING DISOWNED OR SHUNNED, BEING FIRED OR LAID OFF, BEING REJECTED BY ONE'S PEERS, BEING THE VICTIM OF A VICIOUS RUMOR, CAVING TO PEER PRESSURE, DOMESTIC ABUSE, FAILING AT SCHOOL, HAVING PARENTS WHO FAVORED ONE CHILD OVER ANOTHER, MISPLACED LOYALTY, SOCIAL DIFFICULTIES, WRONGFUL IMPRISONMENT

CALM, CAUTIOUS, CENTERED, CHARMING, CONFIDENT, COURAGEOUS, DIPLOMATIC, HONEST, HONORABLE, HUMBLE, IDEALISTIC, MATURE, OBJECTIVE, OBSERVANT, OPTIMISTIC, PERSUASIVE, RESOURCEFUL, SPIRITUAL, TOLERANT, UNSELFISH

The character finding allies in unlikely places
Gaining perspective through loyalty, seeing which relationships are solid and which are not
Gaining clarity about the accuser's character, and cutting ties
Triumphing through persistence, and bringing the truth to light
Taking heart in having done the right thing despite the difficulties
Finding a newfound passion for advocacy, helping others have a voice 
Recognizing the value of trustworthiness and striving to become a more honest person