Imam Maalik مالك بن أنس بن مالك بن أبي عامر · The Book on Virtues of Jihad

That he asked the Messenger of Allah (ﷺ), "Which charity is most virtuous?" He said, "The service of a worshipper in the cause of Allah, or providing the shade of tent, or mount in the cause of Allah." This Hadith has been reported from Mu'awiyah bin Salih in Mursal form.And Zaid has been contradicted concerning part of its chain. He said: And Al-Walim bin Jamil has reported this Hadith from Al-Qasim Abu 'Abdur-Rahman, from Abu Umamah, from the Prophet (ﷺ).

That he heard 'Umar bin Al-Khattab saying: "I heard the Messenger of Allah (ﷺ) saying: 'The martyrs are four: A believing man whose faith is good, he meets the enemy and proves faithful to Allah until he is killed. That is the one to whom the people will raise up their eyes like this on the Day of Judgement' and he raised his head until his Qalansuwah fell - I do not know if it was 'Umar's Qalansuwah or the…