Spero (Spiro) is a Greek nickname for Spyridon, who was a Greek saint. It is a very popular Greek name for boys.
Saint Luke is believed to have spoken Koine Greek, which was the common language of the eastern Mediterranean region during his time.
Andrew probably spoke Aramaic as his native tongue. He may also have been familiar with Hebrew and, possibly, some Greek.
Saint Stephen likely spoke Aramaic as his primary language, as it was a common language in Judea during his time. He may have also been familiar with other languages such as Hebrew and Greek, given the diverse linguistic landscape of the region.
He spoke Aramaic, & then when the Holy Spirit Came upon him, he could speak Greek & Latin too.
Saint John XXIII was known to be a polyglot and was believed to have spoken at least 10 languages fluently. These include Italian Latin French Spanish German Portuguese English Croatian Ukrainian and Slovenian. He also had a working knowledge of several other languages.
"spero" is not a greek word, but there is a greek male name that its spelling is alike your given word and it is "Σπύρος" (speeros). On the other hand, if you ask what is the greek corresponding for the latin "spero", then it is "ελπίζω" (elpeezo=to hope).
Spero Stamboulis is 5' 10".
Spero Chumas is 5' 11".
Anthony Spero died in 2008.
Anthony Spero was born in 1928.
Donald Spero was born in 1939.
Spero Dedes was born in 1979.
Shubert Spero was born in 1923.
Spero Building was created in 1908.
David Spero was born on 1951-08-15.
Joan E. Spero was born in 1944.
No, he is a Catholic saint.