Can I sue an insurance agent for signing up my illiterate Dad for a life insurance?

No, you cannot sue because you have not suffered any damage. You also cannot sue (or otherwise perform legal work) for your dad because you are...

Cna dealer take your car back after you sign the contract

Your post is not quite clear. But in any event an attorney would need to review the contract and related documents and communications.

Do I have a valid claim ?

None of us can say with such limited facts. Make a claim with their company or yours. But either way let your own insurance know of the incident.

Yes, it is not a hobby when you are selling products. But you need to confirm details with the actual jurisdictions in which you reside.

See prior response. Again, however, the plain meaning of your fact pattern is you were paid everything to which you're entitled. Unclear where...

What can I do when a company steals my photographs and uses them for profit?

Possible claims are breach of contract, copyright infringement, unjust enrichment. To start. But your post is vague and unclear - "no money...

No idea what "notable" means, that is not a legal thing. No idea what "incident" is supposed to mean either. Have him discuss it with his...

I suggest you try mediation and if that fails you may need a quiet title action.

My father died from COVID-19 and they lied on the next of Kin and took his body cremated it when he was supposed to be buried.

Sorry about your father. Unfortunately your post is mostly conclusions and exceedingly vague. Either way you will need to discuss the details...

None of us can answer this without reviewing the applicable documents, as indicated above.