Just as Ravana, although born of a brahmana father, Visvasrava, was nevertheless called an asura or Raksasa because of his offenses against Lord Ramacandra & Hanuman, so Ramacandra Khan also became asura because of his offenses against Haridasa Thakura

Expressions researched:
"Just as Rāvaṇa, although born of a brāhmaṇa father, Viśvaśravā, was nevertheless called an asura or Rākṣasa because of his offenses against Lord Rāmacandra (Viṣṇu) and Hanumān (a Vaiṣṇava), so Rāmacandra Khān also became such an asura because of his offenses against Haridāsa Ṭhākura and many others"

Sri Caitanya-caritamrta

CC Antya-lila

Just as Rāvaṇa, although born of a brāhmaṇa father, Viśvaśravā, was nevertheless called an asura or Rākṣasa because of his offenses against Lord Rāmacandra (Viṣṇu) and Hanumān (a Vaiṣṇava), so Rāmacandra Khān also became such an asura because of his offenses against Haridāsa Ṭhākura and many others.

CC Antya 3.147, Translation and Purport

Because of blaspheming the cult of Vaiṣṇavism and insulting the devotees for a long time, he now received the results of his offensive activities.

Rāmacandra Khān was a great offender at the lotus feet of the Vaiṣṇavas and Viṣṇu. Just as Rāvaṇa, although born of a brāhmaṇa father, Viśvaśravā, was nevertheless called an asura or Rākṣasa because of his offenses against Lord Rāmacandra (Viṣṇu) and Hanumān (a Vaiṣṇava), so Rāmacandra Khān also became such an asura because of his offenses against Haridāsa Ṭhākura and many others.