A friend constantly brings up past favors they've done for me whenever they want something new. It makes me feel obligated to agree to their requests.
A colleague consistently takes credit for my work during team meetings. When confronted, they claimed it was a misunderstanding and that they were just trying to 'champion the team's success'.
During a family dinner, a relative made a passive-aggressive comment about my career choices, disguised as a joke. Others laughed, making me feel isolated.