The services required to repay the debt may be undefined, and the services' duration may be undefined, thus allowing the person supposedly owed the debt to demand services indefinitely.. 
Ẹrù kíkọ́ niṣẹ́ pẹ̀lú kí àwọn ológun kó àwọn ènìyàn kúrò ní agbègbè tí wọ́n ń gbé lọ sọ wọ́n di ẹrú ní ilẹ̀ ibòmíràn.. 