The word "capt" is usually used as an abbreviation for "captain," which is a term used in the military, naval, or aviation industries for someone in command. However, there are many synonyms for the word "capt," such as skipper, commander, chieftain, boss, chief, leader, head, and master, which can all be used in the same context. These synonyms give you more options when describing someone in charge of a group or operation, and can add variety to your writing. It's important to keep in mind that choosing the right synonym depends on the context and tone of your writing.