" volunteer "

[Noun]  | "vol*un*teer" | \ ˌvä-lən-ˈtir \

1: a person who voluntarily undertakes or expresses a willingness to undertake a service: such as

2: one who enters into military service voluntarily

3: one who renders a service or takes part in a transaction while having no legal concern or interest

Origin: circa 1600 ;

 Obsolete French voluntaire (now volontaire), from voluntaire, adjective, voluntary, from Old French, from Latin voluntarius;

[Verb]  | "volunteer" 

1: to offer oneself as a volunteer

2: to offer or bestow voluntarily

Origin: 1709 ;

[Adjective]  | "volunteer" 

1: being, consisting of, or engaged in by volunteers

2: growing spontaneously without direct human control or supervision especially from seeds lost from a previous crop

Origin: 1649 ;

[Noun]  | "volunteer" 

[Verb]  | "volunteer" 

[Adjective]  | "volunteer"