Ἑν in, δῆμος people. Only in this chapter. To be among one's own people, and not to travel abroad.
We are absent (ἐκδημοῦμεν)
Lit., we live abroad. Only in this chapter. Compare Phi 1:23; Phi 3:20; Heb 11:13; Heb 13:14. There is a play upon the words which might be expressed by at home, from home.