2  A shelter from danger or hardship (9)

 6  A person who is voluntarily absent from home or country (6)

 8  (military) a person who abandons their duty (as on a military post) (8)

10 Charitable branch working in Muslim countries (3,8)

12 Asylum seekers (7)

14 Chaotic area (8)

15 Covering up (6)

16 A safe place (6)

18 A member of any of a large number of linguistically related peoples of Central and South Africa. (6)

19 (law) the proceeding whereby a foreigner is granted citizenship (14)

20 The dispersion or spreading of something that was originally localized (as a people or language or culture) (8)

24 Influx into a place (especially arriving to a country of which you are not a native in order to settle there) (11)

25 Move, travel, or proceed toward some place (6)

26 Integrated data processing (3)

27 Pejorative term for an insane asylum (8)

28 Palestinian aid org. (5)

30 (Judaism) immigration of Jews to Israel (6)

31 Expatriation (10)

32 The condition of being a child without living parents (9)

33 A shelter serving as a place of safety or sanctuary (5)

 3  United Nations High Commissioner for Refugees (5)

 4  Poor enough to need help from others (9)

 5  African (8)

 7  Ill-treatment (11)

 9  Expatriates (9)

11 Alien (9)

13 A renewing, or making whole again (13)

17 A person who has been removed from a dangerous place (7)

19 The status of belonging to a particular nation by birth or naturalization (11)

20 Captive (8)

21 A person sent to prison as punishment for a crime (or awaiting trial) (8)

22 Of a foreign service (8)

23 Someone who comes back or returns, especially to their own country or region (9)

29 An endorsement made in a passport that allows the bearer to enter the country issuing it (4)