It means participating, integrating, being part of something. He is also the person who is part of an army, wears a uniform and is subordinate to his superiors. Soldier. It relates to the militia or the army. Castrense, war, martial.
1st_ Belonging, relative to the militia, to the regular army. 2o_ Follow and collaborate in a collective project, be an active participant in your ideas and slogans.
MILITARY: Jesus is the dress jacket secular.