a’oa’o le tama a’o laitiiti e matua ane e le toe te’a ese ai... bravo brother, this would be an inspiration for most people your age, mitamita i lau aganu’u
Its basically a cultural custom that acknowledges the giving family or giving community/church etc. He is expressing his gratitude towards the giving family and to those who prepared the food or in the samoan language mea'ai tausami. In samoa our culture is basically centred around respect and humbling yourself. This is a great example, hope that helps