1) Nativistic 2) One opposed to immigration 3) Social policy 1) Nativistic 
• (n.) An advocate of nativism. • (n.) An advocate of nativism.
Na'tiv·ist noun An advocate of nativism. 
A nativist is someone like French mathematician and philosopher Rene Descartes (1596-1650) who believes we possess innate abilities at birth. These come to us by way of our genetics inherited from our biological parents.
[adj] - advocating the perpetuation of native societies 2. [adj] - of or relating to or advocating nativism 3. [n] - a philosopher who subscribes to nativism
nativistic adjective of or relating to or advocating nativism; `nativist theories`; `the traditional controversy between the nativistic and empiristic theories`