No portion of said pension fund shall, before or after its order of distribution by the board of trustees to the persons entitled thereto, be held, seized, taken, subjected to or detained or levied on by virtue of any attachment, execution, injunction, writ, interlocutory or other order or decree, or any process or proceeding whatever issued out of or by any court of this state for the payment or satisfaction, in whole or in part, of any debt, damages, claim, demand or judgment against the beneficiary of said fund; but the said fund shall be held and distributed for the purpose of sections 87.010 to 87.105, and for no other purpose whatever.
§ 87.090, RSMo