move one's residence，migrate，passage，removal，transmigrate ；

[例句] 他们威胁将他驱逐出他的移居国。 They threatened to expel him from his adoptive country.

[例句] 随着移居者南移，人口出现膨胀，至少是暂时性膨胀。 The human population swelled, at least temporarily, as migrants moved south.