Question

سنت شکن است

Comments

Nice question! I don't know the answer though. Ice breaker may be?! 

Answer 1

سنت شکن=iconoclast

http://www.thefreedictionary.com/iconoclast

Comments

Gr8 (+1)

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Hi

If you describe someone as an iconoclast, you mean that they often criticize beliefs and things that are generally accepted by society.

.So, I suppose this one does not carry the intended meaning

Answer 2

Depending on the context these words can be used:

Unorthodox

Maverick

Rebellious

Unconventional

Answer 3

Hi

.S/he always breaks the mold/mould

Answer 4

@ Amir Hossein's answer seems working better for this, but if you wanna use simple English you can use:  

Creative

Pioneer

(I keep looking for better answers)

Answer 5

norm-breaking = سنت شکن