Is it permissible to travel to non-Muslim countries for work under the pretext of their systems and refined treatment?

Residing in the lands of the disbelievers is not permissible except under certain conditions, the most important of which are: the Muslim's security concerning his faith, by possessing knowledge, faith, and steadfastness; that he detests the disbelievers and keeps away from befriending them; and that he is able to outwardly manifest the rituals of his religion.

Residency is divided into categories, some of which are permissible, such as working in da'wah (Islamic propagation), studying the affairs of the disbelievers, fulfilling the needs of a Muslim state, or personal needs such as trade and medical treatment, provided that this does not lead to a greater corruption.

As for residency for study or dwelling, it is more perilous and requires additional conditions such as intellectual maturity, religious knowledge, strength of faith, and the existence of a need for knowledge not available in Muslim lands.

The article indicates that traveling for work in the lands of the disbelievers falls under the same ruling as study and dwelling, and it carries great danger to one's religion and morals, except for those who meet the aforementioned conditions and cannot find work opportunities in Muslim lands, while being careful to show loyalty to Muslims and holding fast to the bond of faith.