charges with them
Literally, spend something on them.
walkest orderly
Literally, art keeping in the ranks, guarding the law.
Compare (Romans 10:1-12).
Related Commentaries of Acts 21:24
Acts 21:24
24 Them take, and purify thyself with them, and be at charges with them, that they may shave their heads: and all may know that those things, whereof they were informed concerning thee, are nothing; but that thou thyself also walkest orderly, and keepest the law.