Complex sentence: Cisgender and binary transgender people can both display prejudice against non-binary people, and discrimination of this sort can be found in the transgender community, much transphobia can be found in the lesbian, gay, bisexual, and transgender (LGBT) communities.
Split into simpler sentences: Cisgender and binary transgender people can both display prejudice against non-binary people, and discrimination of this sort can be found in the transgender community. Much discrimination towards non-binary identifying individuals can be found in the lesbian, gay, bisexual, and transgender (LGBT) communities.