Use the adjective emulous to describe someone who tries to imitate or copy another person. An emulous student might both admire and feel jealous of the teacher he imitates.
When you're emulous of a friend, you feel a bit competitive, wanting to do what she does, and to do it better. Younger siblings are sometimes emulous of older brothers or sisters, and art school students might be emulous of established, working artists. When you want to be just like someone, you're emulous, and when you want to surpass that person, you're also emulous. The Latin root is aemulari, "to rival."
WORD FAMILY
emulous: emulously
USAGE EXAMPLES
An emulous industry was never more apparent than in this beautiful assembly.
Various, The Portland Sketch Book(2012)
Every young divinity-student, especially, seems emulous of this troublesome appendage.
Lunettes, Henry, The American Gentleman's Guide to P...(2012)
This treat gives fresh animation to the emulous tongues.
Bates, Katharine Lee, Spanish Highways and Byways(2012)
1adj characterized by or arising from emulation or imitation