Meaning : A person who backs a politician or a team etc..
Example :
All their supporters came out for the game.
They are friends of the library.
Synonyms : admirer, booster, champion, friend, protagonist
Meaning : A band (usually elastic) worn around the leg to hold up a stocking (or around the arm to hold up a sleeve).
Synonyms : garter
Meaning : A support for the genitals worn by men engaging in strenuous exercise.
Synonyms : athletic supporter, jock, jockstrap, suspensor