Faithful is He who calls you, and He also will bring it to pass.
Faithful is he that calleth you, who also will do it.
Faithful is He Who is calling you [to Himself] and utterly trustworthy, and He will also do it [fulfill His call by hallowing and keeping you].
Faithful is he that calleth you, who will also do it.
The one who is calling you is faithful and will do this.
He who has called you is faithful. He shall act even now.