Here are some alternatives depending on the context:
General:
* Person with a disability: This is the most widely accepted and preferred term.
* Disabled person: This is also acceptable, but some people prefer "person with a disability".
* Person with special needs: This term can be used for people with a variety of conditions, but it's not always appropriate and can be perceived as patronizing.
Specific:
* Person with a physical disability: For someone who has a physical limitation.
* Person with a mental disability: For someone who has a cognitive or mental health challenge.
* Person with a developmental disability: For someone with a condition that affects their development.
Avoid these terms:
* Crippled: This term is outdated and offensive.
* Retarded: This term is outdated and offensive.
* Invalid: This term is outdated and offensive.
Remember that language evolves, and it's always best to use terms that are respectful and inclusive.