Is it permissible to shake hands with the maternal aunt from the father's side, her mother (the grandfather's wife who is not the mother of the mother), the maternal cousin (the full sister of the mother), the full sister of the grandmother (the maternal aunt), the paternal cousin, the daughter of the paternal half-brother, a young girl approaching puberty, and what should one do when giving charity to a beggar that necessitates touching her hand?

It is permissible for a Muslim to shake hands with every woman whom he is permanently forbidden to marry if temptation is avoided and lust is not feared. These prohibited women are those mentioned in the verse: "{Forbidden to you are your mothers, your daughters...}" [An-Nisa: 23]. And the like of them through breastfeeding. Therefore, it is permissible to shake hands with the maternal aunt, the grandmother, the wife of the father and grandfather, the maternal or paternal aunt of the mother, and the daughter of the brother from any side or through breastfeeding. It is not permissible to shake hands with the daughter of the maternal uncle, the daughter of the maternal aunt, the daughter of the paternal uncle, the paternal aunt, the foreign girl who is approaching puberty, and foreign women who are beggars and others.