In many ways, Seriphyn is just continuing to 'live his life' as a serviceman of the Federation. Even with the freedom bestowed as a capsuleer, he is the same as any other career soldier.
Secretly, however, that he won't really admit to anyone (he might do, on occasion), is that his daughter, Anette, wants to be President one day. With the catastrophes of losing his homeworld, Caldari Prime, to the State, and of course losing his childhood sweetheart and baby son to Nation, she is all that he has left, and wishes to serve her as much as he can, by making sure there is still a Federation for her to preside over.