NET
4 No one in military service gets entangled in matters of everyday life; otherwise he will not please the one who recruited him.
Darby
4 No one going as a soldier entangles himself with the affairs of life, that he may please him who has enlisted him as a soldier.
KJV
4 No man that warreth entangleth himself with the affairs of [this] life; that he may please him who hath chosen him to be a soldier.