(idiomatic) a desire for, or interest in, the success of a particular person or group, often a sports team

(law enforcement, chiefly Canada, US) Someone who police have reason to believe may have a connection to a crime, or to possess important information relating to that crime, but who has not been accused or charged by authorities nor been officially deemed to be a suspect.

(law) A right, typically in the form of regular income, that lasts for the lifetime of the person benefiting from that right.

A particular political issue that is the focus of political advocacy. / A shadowy group with political power. / A topic of particular interest and passion, particularly for an autistic person.

plural of interest group

plural of life interest

plural of interesting condition

plural of person of interest

plural of person of interest

(law) Something contrary to the interests of a party to a lawsuit.