A salik is a person who engaged in Islamic spiritual path or sufism

Sufism

Sufism or ' is defined by its adherents as the inner, mystical dimension of Islam. A practitioner of this tradition is generally known as a '...

. The word derived from Arabic word sulook

Sulook

Sulook or Suluk , as a noun, means pathway, and specifically refers to a spiritual pathway. As a verb, it means to walk a spiritual pathway.-Sulook in relation to Islam and Sufism:...

, which means to walk a (spiritual) path (to God). To become a salik, one must follow both the outer path (exoterism, shariah) and the inner path

Inner path

Inner path, in its generic meaning, is any sort of path that is "turned inward" or is contrasted with an "outer path".- Spiritual or religious :Inner path, as a spiritual or religious concept, is referred to in:* Spiritual paths...

 (esoterism, haqiqa

Haqiqa

Haqiqa is a stage in Sufism, a mystical branch of Islam. Sufis strive to perfect themselves and come into the presence of God while still living. They recognize four stages in their pursuit of this: shari’a, tariqa, haqiqa and marifa....

) of Islam virtuously.

A salik is also called murid

Murid

Murid is a Sufi term meaning 'committed one' from the root meaning "willpower" or "self-esteem". It refers to a person who is committed to a Murshid in a Tariqa of Sufism. Also known as a Salik , a murid is an initiate into the mystic philosophy of Sufism. When the Talib makes a pledge to a...

 when one becomes a disciple to one particular spiritual teacher (murshid

Murshid

Murshid is Arabic for "guide" or "teacher". Particularly in Sufism it refers to a Sufi teacher. The term is used by other branches of Islam as well, e.g. by the Nizaris, the main school of Ismā‘īlī Shiites....

) or a Sufi master.