4 In the Greek text this represents a continuation of the previous sentence. Because of the tendency of contemporary English to use shorter sentences, a new sentence was begun here in the translation.
5 The description of Cornelius as a devout, God-fearing man probably means that he belonged to the category called “God-fearers,” Gentiles who worshiped the God of Israel and in many cases kept the Mosaic law, but did not take the final step of circumcision necessary to become a proselyte to Judaism. See further K. G. Kuhn, 6:732–34, 43–44, and Sir 11:17; 27:11; 39:27.
6 Or “gave many gifts to the poor.” This was known as “giving alms,” or acts of mercy (Sir 7:10; ἐλεημοσύνη).

In other versions

a devout man who feared God with all his household, gave alms generously to the people, and prayed continually to God.

He and all his family were devout and God-fearing; he gave generously to those in need and prayed to God regularly.

He was a devout man and feared God along with his whole household. He did many charitable deeds for the Jewish people and always prayed to God.

He was a devout, God-fearing man, as was everyone in his household. He gave generously to the poor and prayed regularly to God.

devout and fearing God together with all his household, doing many charitable deeds for the people and praying to God continually.

A devout man, and one that feared God with all his house, which gave much alms to the people, and prayed to God alway.

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