Volunteer

ボランティア

borantia

(one who voluntarily offers themselves for service)

志願兵

shiganhei

(voluntary soldier)

志願者

shigansha

(one who acts without legal obligation)

有志

yūshi

(one who voluntarily offers themselves for service)

篤志家

tokushika

(one who acts without legal obligation)

義勇兵

giyūhei

(voluntary soldier)

自生植物

jisei shokubutsu

(volunteer plant)

志願する

shigan-suru

(to enlist oneself as a volunteer)

志願する

shigan-suru

(to do or offer to do something voluntarily)

自生する

jisei suru

(botany: to grow without cultivation)