PRIEST:
From Wikipedia, the free encyclopedia
A priest or priestess is a person having the authority or power to administer religious rites; in particular, rites of sacrifice to, and propitiation of, a deity or deities. Their office or position is the priesthood, a term which may also apply to such persons collectively.
Priests and priestesses have been known since the earliest of times and in the simplest societies. They exist in all or some branches of Judaism, Christianity, Shintoism, Hinduism, and many other religions, as well, and are generally regarded as having good contact with the deities of the religion to which he or she ascribes, often interpreting the meaning of events, performing the rituals of the religion, and to whom other believers often will turn for advice on spiritual matters.
In many religions, being a priest or priestess is a full-time job, ruling out any other career.
NUN:
From Wikipedia, the free encyclopedia
A Nun is a woman who has taken special vows committing her to a religious life.[1] She may be an ascetic who voluntarily chooses to leave mainstream society and live her life in prayer and contemplation in a monastery or convent. The term “nun” is applicable to Roman Catholics, Eastern Christians, Anglicans, Lutherans, Jains, Buddhists, and Taoists, for example. While in common usage the terms nun and sister are often used interchangeably, properly speaking a nun is a female religious who lives a contemplative life of prayer and meditation within a monastery while a sister (in the Christian religions) lives an active vocation of service to the needy, sick, poor, and uneducated.[2]
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All Soul’s Day on Rock Ed Radio!!! We will talk about Catholic vocations. Sr. Angeline, OSB (Order of St. Benedict) and Fr. Nono, SJ (Society of Jesus) will talk to us straight up about their career choice. 
Can you take a vacation from a vocation?
Ikaw ba eh nag-isip nang mag madre o mag pare?
Kailan ‘to at ano’ng nangyari?
