Okay, to answer these questions, let me show u the relevant
canons in Church law.
Can. 401 §1. A diocesan bishop who has completed the seventy-fifth
year of age is requested to present his resignation from office to
the Supreme Pontiff, who will make provision after he has examined
all the circumstances.
§2. A diocesan bishop who has become less able to fulfill his
office because of ill health or some other grave cause is earnestly
requested to present his resignation from office.
Can. 402 §1. A bishop whose resignation from office has been
accepted retains the title of emeritus of his diocese and can
retain a place of residence in that diocese if he so desires,
unless in certain cases the Apostolic See provides otherwise
because of special circumstances.
§2. The conference of bishops must take care that suitable and
decent support is provided for a retired bishop, with attention
given to the primary obligation which binds the diocese he has
served.
Ergo:
What does he do now? Don't know, but I can make
enquiries. He's probably rather infirm now.
Why is there such a position? It is provided for
in Church Law.
Is this the usual practice? Yes.
I know the Archbishop tenure is for life one. Not
true - he must submit his resignation to the Pope at age 75. The
Pope will either accept or decline the resignation. It has been
known to happen that the Pope asks certain bishops to carry on.
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