I know that Zerachiel and Sariel are both rather tied to Judaism as they are most prevalently found in the book of Enoch. In most denominations of christianity this book is not recognized as a canon, except for some oriental orthodox churches, which is why this question asks for the view from that specific branch.
Still, they seem to both be represented by the name Saraqael through various texts despite having different characteristics. I want to know this because Zerachiel seems to be a Seraphim and they both seem to be watchers. (Sariel might be a Seraphim too?)
Additional confusion was caused by references seemingly mixing up Sahariel (Hebrew: god is my moon) with Sariel (Hebrew: god is my ruler) and the existence of a Wikipedia article for both Zerachiel (Hebrew: god has remembered) and Sariel.
So are the angels called Zerachiel and Sariel the same, or did they just happen to share a similar name and rank?