"Interposer" is a word in ENGLISH

Any sac or saclike cavity; especially, one of the synovial sacs, or small spaces, often lined with synovial membrane, interposed …

One who goes between, or intercedes; a mediator. (a) One who interposes between parties at variance, with a view to …

To throw one's self between or among; to come between; to interpose.

To unite, as by lacing together; to insert or interpose one thing within another; to intertwine; to interweave.

One who, or that which, interposes; an interloper, an opponent.

One who mediates; especially, one who interposes between parties at variance for the purpose of reconciling them; hence, an intercessor.

OR. one who interposes be-tween parties at variance for the purpose of reconciling them

Importunately interposing services; intermeddling in affairs in which one has no concern; meddlesome.

pahilabút - To meddle in, interfere, take part in, butt in, thrust oneself in, intrude, interpose, put one’s finger in …

pakitarakáng - To meddle or interfere in, poke one’s nose in, interpose, butt in, intrude oneself in, take part in …