Praise be to Allaah.
Yes, it is permissible for you to give sadaqah on behalf of your Muslim brother even if he commits some sins. We ask Allaah to reward you for doing that.
There is no doubt that they will know on the Day of Resurrection that you have given in charity on their behalf.1 - Reading Quran and reflecting over the Quran Is our Duty
Read quran and it will guided us to the true teaching of The Prophet Muhammad (Peace be upon him) he summarized the religion of Islam with this statement: “The Religion is naseehah (sincerity)!” So then Tameem ibn Aws, may Allah be pleased with him, then said, “We asked, ‘To whom?’” He said: “To Allah, HIS BOOK holy quran, His Messenger, the leaders of the people, and their common folk.” [Muslim] so to study the religion people should go to the source of and source of Islam is the quran so learning quran and reading quran with the meaning the quran tafsir and then explore the words of wisdom. And for the Muslims the sincerity that is due to the Book of Allah includes doing the quran recitation, listening to quran along with learning the tajweed rules and reciting it beautifully, letting our kids learn quran learning holy quran tafseer and the reasons for its revelation, affirming that it is the Truth, the perfect Speech of Allah and not part of the creation, honoring it and defending it, abiding by the orders and prohibitions found in it and teaching quran to spread the word or truth and calling to it. So by learning quran education online and reflecting over the Quran online, one fulfills an obligation and is rewarded for that. Upon fulfilling this obligation, the Quran then becomes a proof for him on the Day of Judgment! And that is our second benefit we will take by embracing this Noble Book...