Who is able to become executor of the estate?
An individual, an association or the General Guardian.
Can more than one person be appointed as executor of the estate?
Yes!
Is a testator able to name in his will an association whom he would like to manage his estate?
Yes, such an instruction in a testator's will would be perfectly valid.
What advantages, if any , are there in appointing the Guardian General as executor?
Savings in money and time, as no fee is required to pay him for his services, and he is exempt from making some of the reports usually requested.
Will a court prefer to appoint a lawyer as executor of the estate, rather than a layman?
In general, there will be a preference for appointing someone with the required professional skills, rather than someone without them, though there is no actual requirement for that person to be qualified as a lawyer.
Will the court take into account any preferences the heirs may have re the identity of the executor of the estate?
Yes , it will take these into account.