Namaz during Roza

[LP]

here’s a little something I read about Prayer.

**Advising one who does not pray
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**“Then there has succeeded them a posterity who have neglected and lost the prayers, and followed their lusts; thus, they will face devastation (on the Day of Judgment, i.e., he will face Hell).” Surat Maryam 19:59.
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By completely ceasing to perform prayers, a person is judged to be a kaafir, based on several ahaadeeth of the Prophet (peace be upon him), one of which is:
“The obligation and pact between us and them (the munaafiqeen, the hypocrites) is the prayer, so whoever abandons it has indeed committed kufr (i.e., become a kaafir, a non-believer).” (Tirmidhi, hadeeth #2621, and it is sahih) The meaning here is that the hypocrites are guaranteed their security and immunity from being fought by the Muslims as long as they perform their prayers; if they abandon their prayers, then they are among the kuffaar, and are subject to being fought and killed in the war against them. The Prophet further says, “What is between a person and committing shirk (associating partners with Allaah) and kufr (disbelief) is abandoning the prayer.” (Sahih Muslim, #82)
The man in question, accordingly, is to be shunned–no one should eat the meat he slaughters; he is not to marry a Muslimah; he is not to inherit a Muslim relative; he is not allowed to enter Mecca; upon dying he is not entitled to Muslim burial rites such as the washing of the body or the shrouding or the funeral prayer; and his inheritance is to go to the the community fund and not to his inheritors. Thus, it is incumbent upon you to exert as much effort as possible in advising him and admonishing him concerning the gravity and danger of his crime, and of the punishment of Allaah the Almighty. If he persists and rejects your admonition, then you would not be wrong in abstaining from your friendship with him, until you can solicit help from other friends among those who accept guidance so that you may spend your time with them inviting him to Allaah.

Sheikh Muhammed Salih Al-Munajjid

this might have helped you By understanding the importance of Praying.
Rest as AQ said “Do the Math”