LR as a POA + Lawyer for other LR
In a decree execution suit filed by the Bank
1. Can one of the LR of the deceased, who is also a Lawyer, and who was also a party to the earlier suit where decree was passed, now act as a Lawyer for another LR who has challenged the decree and also the execution of the decree?
2. Can this LR, who is also a Lawyer, be a POA Holder of the other LR who has so challenged the Decree and act as a Lawyer on the strength of this POA?
3. If the answer to the above is NO then can this POA be used for filing a suit on behalf of the other LR through another Lawyer?
4. Can this POA Holder depose on behalf of the LR (in this civil case)?
Please give the relevant Law (Sections) and case citations