Rosa Parks is a great example of a bastion for desegregation.
The soldiers hid behind the bastion, hoping to avoid any of the arrows coming towards them.
The bastion for women's rights strongly defended her argument in front of the audience.
I hope to be a bastion of support for the homeless shelter. I feel so passionate about helping others.
The fitness center seems to be the final bastion in the area that stands up for a healthy lifestyle.