Qurbani is Waajib on a person so long as the person is saahib-e-Nisaab (having minimum wealth in the form of 7-1/2 tola gold or 52 tola silver * or equivalent).
uh uh i asked once and was told you are sahib e nisab if u have 1 tola gold. if u r sahib e zakat u r definitely sahib nisab.*