constitutionalist:
(plural: ‘constitutionalists‘; pronunciation: the letter ‘c’ is said with a ‘k’ sound as in “kon”; for the right pronunciation of this word, please click here)
a person who believes that a government should be based on established laws and principles (a written constitution), and the power must be distributed and limited by laws that are to be obeyed strictly,

Muhammad Ali Jinnah, a constitutionalist, Pakistan
Muhammad Ali Jinna, the founding father of Pakistan, is known to be a constitutionalist.
As some governments treat the constitutionalists as terrorists, most of the common people tend to become anti-constitutionalists.
Some political philosophers are in the opinion that the Obama administration in the US is anti-constitutionalist, and, as a result, it is not governing the country but ruling it!

Ron Paul, a constitutionalist, USA
