settle a score
• take revenge on someone for something that they have done in the past.
• "two men turned up at the house, reportedly looking to settle a score with her brother"
Similar:
grievance,
bone to pick,
axe to grind,
grudge,
complaint,
dispute,
bone of contention,
crow to pluck,
take (one's) revenge,
hit back at someone,
get back at someone,
retaliate,
get even,
get one's own back,
pay someone back,
• pay off a debt or other obligation.
