Please reach out to others in your Parish. Set up a Divine Mercy prayer group even with just one other person. Do not allow your own weaknesses or inadequacies to stop you. The Lord will do the work when you step out in faith. Pray for your Parish and for your Priests.
Any Divine Mercy prayer group or apostolate belongs to Jesus not to the individuals involved. It is His work. We should always rejoice when others try to spread the Divine Mercy of Jesus and remember where we stand before God. If we know about the Divine Mercy we have a responsibility to spread it to others and to help Jesus save souls. God bless you.