Ubaidullah bin 'Umar bin Hafs عبيد الله بن عمر بن حفص بن عاصم · The Chapters on Jihad

“The Messenger of Allah (ﷺ) gave me a send-off and said: ‘I command you to Allah’s keeping, Whose trust is never lost.’”

“I came to the Prophet (ﷺ) with some other women, to offer our pledge to him. He said to us: ‘(I accept your pledge) with regard to what you are able to do. But I do not shake hands with women.’”