1 Samuel 14:21

“Moreover, the Hebrews that were with the Philistines before that time, etc.] Who either were their servants and bondsmen they brought along with them, or such in whose cities they dwelt, or had taken as they came along, and forced into their army; or it may be some of them were renegades from the Israelites, deserters, who for safety and subsistence betook themselves to them as the stronger party. The Greek version reads, “the servants that were with the Philistines:” which went up with them into the camp [from the country] round about; either willingly or by force; the words, “from the country”, are not in the text, wherefore some observe, as Kimchi and Abarbinel, that this respects their…”

“Which went - Either by constraint, as servants; or in policy, to gain their favour and protection. 1 Kings (1 Samuel) 14:23”

“14:21-22 Previously, a large group of Israelites had gone into hiding out of fear (13:6-7). Others might have joined the Philistine army. However, the statement that they revolted when the opportunity arose suggests they might have been taken as prisoners of war and forced into the Philistines’ service.”

“the Hebrews: Probably such as they held in bondage, or who were their servants. Instead of (haivrim) "the Hebrews," the LXX evidently read haavdim, for they have οι δουλοι, "the slaves;" but this reading is not countenanced by any other version, nor by any manuscript Sa1 29:4; Jdg 7:23 1 Kings (1 Samuel) 14:22”