Additional information:

Lemberopoulos, (Exact spelling should be Lymperopoulos) Mr. Peter. Missing. Greek. En route to Stamford, CT. Aged 30 years.
Has a memorial in St. Johns Churchyard, Agios Sostis community, Messinia, Greece. This memorial was unveiled on 3rd June 2001.
Body recovered number 196. Male. Estimated age, 34. Dark hair and moustache. Clothing:- Green striped suit; heavy blue wool vest; no boots. Effects:- Gold watch; $15.45. Third Class.
Body Mount Olivet Cemetery, buried at Halifax, Nova Scotia., Canada. Permit issued May 9th, 1912.
(From: Mansion House Titanic Relief Fund Booklet, March 1913)
Number P. 408. Limpereropoulos, (sic), P. Widow and child, received grant of £50.
Insurance claim number C78. Life: $35,000. Property: $5000. Claims filed by his wife.
(From The Emergency and Relief booklet by the American Red Cross, 1913).
No. 258. (Greek). A naturalised American citizen, who had returned in 1907 to Greece and married there, was drowned. His wife and child were left in Greece until he should have established a home for them here. His body was recovered and buried in Halifax. A small sum of money, found upon his body was sent to his wife. The English Committee granted £110 to the wife and child.
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Also listed under Semperoplois, Petril.
It appears that the correct spelling of his name is Pangiotis Liberopoulos.
He was born in Marseilles, France and was 30 years old when he boarded
Titanic. He had apparently lived in Stamford, CT since 1906 and was returning
there from Greece. He was married to a woman named Angelica.
Liberopoulos' body was recovered:
His remains were brought to Halifax and buried in Mount Olivet Catholic
Cemetery on May 10. The recovery records give his name as Petril
Semperopolos, the Senate Report calls him Peter Lemberopoulos as do many
passenger lists.