Ma'anar ƙamus na kalmar "Indentured" ita ce ɗaure (wani) ta hanyar indenture, wanda shine kwangilar doka, yawanci tsakanin ma'aikaci da ma'aikaci ko mai koyo, wanda ke ƙayyade sharuɗɗan aiki ko sabis. ciki har da tsawon lokacin kwangilar, albashi ko diyya da za a biya, da kuma ayyuka da nauyin da ya rataya a wuyan bangarorin da abin ya shafa. karni na 17 da 18, wanda mutane (sau da yawa matasa) zasu rattaba hannu kan kwangila, ko "indenture," don yin aiki na wani ƙayyadadden lokaci (yawanci shekaru hudu zuwa bakwai) don musayar sufuri zuwa sabuwar ƙasa ko mulkin mallaka da kuma sauran fa'idodi kamar abinci, sutura, da matsuguni. An yi amfani da bayin da ba a ba da izini ba a yankunan Birtaniyya a Arewacin Amirka da Caribbean don yin aikin gonaki, gonaki, da sauran masana'antu.