The Spirit empowering Amasai is spoken of as if the Spirit came on him. Alternate translation: "the Spirit empowered Amasai" (See: [[rc://en/ta/man/translate/figs-metaphor]])
These phrases share similar meanings. The idioms "we are yours" and "we are on your side" both mean that the men support David. Alternate translation: "We are devoted to you, David. We support you, son of Jesse" (See: [[rc://en/ta/man/translate/figs-parallelism]] and [[rc://en/ta/man/translate/figs-idiom]])
Here the word "peace" refers to prosperity and well-being. The word is repeated to emphasize great prosperity. Alternate translation: "May whoever helps you greatly prosper" (See: [[rc://en/ta/man/translate/figs-doublet]])