ac·tiv·ist 
(ăktə-vĭst)
(ăktə-vĭst)n.
A proponent or practitioner of activism: political activists.
adj.
1. Of, relating to, or engaged in activism.
2. Of, relating to, or being an activist.
- House of Representatives
- house organ
- housepainter
- house painter
- houseparent
- house party
- houseperson
- house physician
- houseplant
- house-proud
- house-raising
- houseroom
- house seat
- housesit
- housesitter
- house snake
- house sparrow
- house staff
- housetop
- house trailer
- housetrain
- house-train
- housetrained
- housewares
- housewarming