# If not

"If you will not take the gifts I have brought for you" 

# let there be given to your servant

"let me have" 

# two mule loads of earth

"as much soil from Israel as two mules can carry, so that I can build an altar to Yahweh"

# your servant

Naaman refers to himself as Elisha's servant to honor him.

# will offer neither burnt offering nor sacrifice to any god but Yahweh

"will not offer burnt offering or sacrifice to any god but Yahweh"