777 roster is basically all over the world except australia and beyond. You will be double rated on 787 also and flying usa/south america europe asia africa and middle east. Both pax and cargo.
14 days are real vacation, better if requested in advance. sometimes you get them as you want sometimes not as in any airline.
addis used to be a very safe city, now the situation is a bit worse and it s better not to go out alone at night.
frankly i would not bring my wife here but not only for the safety.
the housing allowance is not enough to have a house or apartment for you only unless you go outside the city ftom where you need a lifetime to go to work at peak hours.
ticket benefit are 6 round trip/year for you and wife/children with ethiopian and other airline through zed agreements.
this does not include your monthly ticket home after the 20 days