Damage my engine components,Block and cost me RR76351.81,for fixing it

This idiot of a mechanic oversealed my sump with sealant ,over the years because he oversealed the sump , because of the heat of the engine and the sealant is made of a rubber substant ,it smelterd and block the oil filter pump, overtime and because of this ,I seized my engine block ,and this idiot of a mechanic cost me R76351.81 ,I will never used or recommend this mechanic.