Can we cheat disbelievers and non Muslims?
Praise be to Allah
If a Muslim enters such a country, he must adhere to the conditions that have been stipulated. Allaah says (interpretation of the meaning):
“O you who believe! Fulfil (your) obligations”
[al-Maa'idah 5:1]
It is not permissible for a Muslim to betray them or cheat them. The Prophet (peace and blessings of Allaah be upon him) said: “Render back trusts to the one who entrusted you, and do not betray the one who betrays you.” Narrated by Abu Dawood, 3534; classed as saheeh by al-Albaani in Saheeh Abi Dawood.
And the Prophet (peace and blessings of Allaah be upon him) described one of the attributes of the hypocrite as being: “When he enters into a covenant, he proves treacherous.” Narrated by al-Bukhaari, 34; Muslim, 58.
The Prophet (peace and blessings of Allaah be upon him) used to send his companions to fight the mushrikeen, and one of the things he advised them was: “Do not be treacherous.” Narrated by Muslim, 1731.
This is something which demonstrates the greatness of Islam and the perfection of its laws, for it forbids its followers to be treacherous or to cheat even its enemies.
This state has allowed you to stay there, subject to certain conditions, so you are obliged to fulfil them.
Based on this, it is not permissible for you to conceal your work from them so that you can avoid paying taxes and take the monthly allowance when it is not permissible for you.
And Allaah knows best
Ref: Islamqa.info/en
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