This refers to the descendants of [Zebulun](rc://en/tw/dict/bible/names/zebulun). AT: "The descendants of [Zebulun](rc://en/tw/dict/bible/names/zebulun) will live" (See: [[rc://en/ta/man/translate/figs-metonymy]])
Here "He" stands for sea towns that the people of [Zebulun](rc://en/tw/dict/bible/names/zebulun) will inhabit or build. These cities will provide shelter for ships. (See: [[rc://en/ta/man/translate/figs-metonymy]])