TgO Lev25:53 :כַאְגִיר שְנָא בִשנָא יְהֵי עִמֵיה לָא יִפלַח בֵיה בְקַשיוּ‏ : he must be with him like one hired year by year and not make him work [MT: לֹא־יִרְדֶּנּוּ] under hardship
See the entire entry for plḥ vb. to work