young man presenting and explaining smth. confident smiling

basic rgb adult cartoon clothing hand arm person brand finger muscle face man sleeve limb font hairstyle moustache head young presenting explaining smth confident smiling businessman eyeglasses gesturing hands presentation flat vector isolated white background adult business businessman cartoon chalk character cheerful clerk confident corporate employee executive expert eyeglass eyewear flat friendly gesture glasses graphic guy hand happy human isolated male man manager mentor office people person pose positive present presentation presenter professional report showing smile speaker teach teacher vector white worker working