פירוש על דברי הימים א 11:22

a valiant man בֶּן אִישׁ חַַיִל, similar to בֶּן בְּלִיַּעַל, an unscrupulous man, and in Samuel (II 23:20) it is written: בֶּן אִישׁ חַי for it is customary for people, when they see an agile person, to say, “This one is full of life.”

mighty men אֲרִיאֵל mighty men, possessing strength of a lion, a mighty man, and [it] is also an expression of (Ezek. 17: 20): “...and he took the mighty (אֵילֵי) of the land.”

who accomplished many feats He accomplished many feats of heroism.