The word "we" refers to the elders. (See: [[rc://en/ta/man/translate/figs-exclusive]])
## from what is strangled ##
"from animals killed for food without having the blood drained"
## purifying himself with them ##
before entering the temple area the Jews were required to be ceremonially or ritually clean. This cleansing had to do with jews having contact with Gentiles.
## the days of purification ##
This is a separate purification process related to the vows the men made, separate from the purification processed they were required to fulfill to enter the temple area.