When it comes to finding synonyms for the word "passor", there are a handful of alternatives that can be used interchangeably depending on the context. One possible alternative is "participant", which refers to someone who takes part or is involved in a particular activity. Another synonym that can be used is "attendee", especially when referring to someone who attends a specific event or gathering. Additionally, the word "player" can be used synonymously with "passor" when referring to someone engaged in a game or sport. Other synonymous terms for "passor" include "contributor", "member", and "collaborator", which all imply involvement or participation in some capacity.