Your passport is your private property and can't be withheld by the employer if you aren't in a situation of trust or are handling massive amounts of money.
Baasaboorkaagu waa hantidaada shaqsiyeed mana ceshan karo shaqo-bixiyaha illaa aad ku jirto boos aamin ah ama aad gacanta ku hayso lacag aad u tiro badan.