Yes, blamer is in the scrabble dictionary.

Is there a word blamer?

Being the cause or source of something: A freak storm was to blame for the power outage. [Middle English blamen, from Old French blasmer, blamer, from Vulgar Latin *blastēmāre, alteration of Late Latin blasphēmāre, to reproach; see blaspheme.] blam′a·ble, blame′a·ble adj. blam′a·bly, blame′a·bly adv.

Is Balmer a scrabble word?

No, balmer is not in the scrabble dictionary.