militare

Etymology 1
Probably borrowed from.

Adjective

 * 1) military
 * 2) army

Noun

 * 1) serviceman

Etymology 2
From.

Verb

 * 1) to serve as a soldier, to militate
 * 2)  to fight
 * 3) to participate actively (in a political party or organization)
 * 4) to militate