I feel this could be a chiefly title (matai). So if I break it up into two words, tolu is three, ao is head. So I am surmising that this would be literally speaking, "three heads" (head of a family or "three leaders".
loomalua means what in english
"Tausaga" is a Samoan word that means "year" in English.
Rat or mice
Mafiafia in English is "thick".
Samoan translation of English word elderberry
masagi means, used to, or to know someone
Ao is cloud; ao is also collect or gather.
Alsowe is not a Samoan word.
Lu'i
Im Samoan and have never heard that word before. There is no letter D in the Samoan alphabet.
According to the "Puzzle Directory" (refer to the link, below), the Samoan word, "faamolemole", is translated to the English word, "please".
Forever in Samoan is "Fa'avavau"