Final answer:
The provided information does not detail Hector Garcia's role but highlights the efforts of other activists and scholars who significantly contributed to advancing Latino rights in America.
Step-by-step explanation:
The question refers to the role of Hector Garcia in supporting and advancing Latino rights. However, based on the provided information, no direct connection to Hector Garcia is detailed. Instead, the information mentions various other activists and instances that played pivotal roles in the Latino civil rights movement, such as the Unity League of California founded by Ignacio Lopez, Dolores Huerta's leadership in the United Farm Workers (UFW) boycotts, Ernesto Galarza's work in highlighting the plight of migrant farmworkers, and Jose Julio Sarria's advocacy for LGBTQ rights. These examples demonstrate the multifaceted approach to securing Latino rights in America, including voter registration drives, legislative reforms, publications challenging stereotypes, and social activism.