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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Volunteer, perhaps:

HELPER: Volunteer, perhaps
DOCENT: Museum volunteer, perhaps
EMT: Fire dept. volunteer, perhaps
FIREMAN: On-call volunteer, perhaps
HALLMONITOR: Student volunteer, perhaps
LABOROFLOVE: Volunteer job, perhaps
AUNT: Volunteer sitter, perhaps
SANTAS: Volunteers of America employees, perhaps
BIGBROTHER: Volunteer with a fatherless kid, perhaps