Muslim
The word 'musulmán' in Spanish corresponds to 'Muslim' in English. A 'musulmán' is a follower of the religion of Islam, a monotheistic, Abrahamic faith. It's important to remember the correct pronunciation, 'moo-soo-l-mahn'. These individuals believe in the teachings of the prophet Muhammad as the last prophet of God, value the Quran as their holy text, and observe practices such as prayer, fasting, charity and pilgrimage.
My Muslim neighbor is very friendly.
This sentence is using the word 'musulmán' to describe the neighbor. In Spanish, adjectives normally come after the noun, unlike English where they usually come before.
The Muslim population is growing in this country.
Here the word 'musulmana' is used as an adjective modifying 'población' which means population. Notice the agreement in gender, since 'población' is feminine, 'musulmana' is used instead of 'musulmán'.
Muslim art is very rich in history and culture.
In this sentence, 'musulmán' is an adjective describing the noun 'arte' or art. This example highlights the cultural and historical richness attributed to Muslim art.