Kubera is the Buddhist form of the Hindu god of wealth, Kubera. Kubera is also known as Jambhala, he is called Jambhala from the Jambhara (lemon), which he carries in his right hand.
Aparmita is the name given to Amitabha in his character of bestower of longevity. Aparmita may be turned either a “Crowned Buddha or a Bodhisattva and is therefore richly clad and wears the thirteen ornaments.