Yes, you can take several steps to ensure the uniqueness and originality of the content provided by the writer:
Request references from the writer regarding their approach to preventing plagiarism
Use plagiarism detection tools to verify the uniqueness of the content
Include a clause in the contract stating that the content must be original and not infringe upon any copyrights
Consider requesting the writer to provide a signed declaration of originality
By implementing these measures, you can maintain the integrity of the content and protect yourself from any potential legal or ethical issues.