解雇[kaiko] discharge
解雇者[kaikosha] person who has been laid off
雇員[koin] assistant
雇傭[koyou] employment (long term)
終身雇用制[shuushinkoyousei] (Japanese) system of lifetime employment

雇人[yatoinin] employee
雇主[koshu] employer
雇う[yatou] to employ
雇傭者[koyousha] employee
雇い入れる[yatoiireru] to employ