Advocate

συνήγορος

synígoros

(person who argues the case of another)

υπέρμαχος

ypérmachos

(person who speaks in support of something)

υπερασπιστής

yperaspistís

(person who speaks in support of something)

υποστηρικτής

ypostiriktís

(person who speaks in support of something)