From sakar; a man at wages by the day or year -- hired (man, servant), hireling.
see HEBREW sakar
H7916. sakir
שָׂכִיר adjective hired; — absolute ׳שׂ Exodus 14:45 +, feminine שְׂכִירָה Isaiah 7:20; construct שְׂכֹיר Leviticus 25:53; suffix שְׂכִירְךָ 25:6; plural suffix שְׂכִרֶיהָ Jeremiah 46:21; —
1 hired, of beast Exodus 22:14 (E), razor Isaiah 7:20 (figurative).
2 usually as substantive hireling, hired labourer Deuteronomy 15:18; 24:14; Leviticus 19:13; 22:10; 25:6, 40, 53 (all H), Exodus 12:45; Leviticus 25:50 (both P), Malachi 3:5; Job 7:1-2, 14:6; שׂ ׳כִּשְׁנֵי Isaiah 16:14 years like a hireling's years (reckoned strictly), so 21:16; mercenaries Jeremiah 46:21.
יִשָּׂשׂכָר see above