2SA 21:17

17 But Avishai Ben Tzeruyah came to his aid, and struck the Pelishti [(Philistine)], and killed him. Then the anshei Dovid swore an oath unto him, saying, Thou shalt go no more out with us to milchamah [(battle)], that thou quench not the Ner Yisroel [(Lamp of Israel)].