Strong H5307H נָפַל nâphal · to fall: deserting

1 Chronicles

1. 1 Chronicles 12:19
   And there fell some of Manasseh to David, when he came with the Philistines against Saul to battle: but they helped them not: for the lords of the Philistines upon advisement sent him away, saying, He will fall to his master Saul to the jeopardy of our heads.