Kalmar "bailor" tana nufin mutumin da ya ba da dukiya ga wani mutum, wanda aka sani da "belee," don wata manufa ta musamman, yawanci ƙarƙashin yarjejeniyar beli. A cikin wannan yarjejeniya, mai ba da belin yana riƙe da mallakar kadarorin amma ya mika wa wanda aka ba belin, wanda aka damƙa wa alhakin yin amfani da dukiyar kamar yadda yarjejeniyar ta tanada da kuma mayar da ita ga mai belin a ƙarshen lokacin belin.