Rosa Parks, 1913-2005: Mother of the American Civil Rights Movement

ac⋅tiv⋅ist  [ak-tuh-vist]

–noun

1.	an especially active, vigorous advocate of a cause, esp. a political cause.

–adjective

2.	of or pertaining to activism or activists: an activist organization for environmental concern.

3.	advocating or opposing a cause or issue vigorously, esp. a political cause: Activist opponents of the President picketed the White House.

Origin: 
1905–10; active + -ist 

de⋅mand  [di-mand, -mahnd]

–verb (used with object)

1.

to ask for with proper authority; claim as a right

He demanded sanctuary. She demanded that we let her in.