behalf, s.1On behalf of s.o., in ainm duine; thar ceann duine. I come on behalf of Mr. X, óna leithéid seo a tháinig mé. 2To speak in, on, s.o.'s behalf, labhairt ar son duine. 3Don't be uneasy on my behalf, ná bíodh imní ort mar gheall ormsa, de mo thairbhese.