A man.

Matthew 3:4
John wore a garment of camel's hair, with a leather belt around his waist. His food was locusts and wild honey.

2 Kings 1:8
"He was a hairy man, " they answered, "with a leather belt around his waist." "It is Elijah the Tishbite, " said the king.

Isaiah 20:2
the LORD had already spoken through Isaiah son of Amoz, saying, "Go, remove the sackcloth from your waist and the sandals from your feet." And Isaiah did so, walking around naked and barefoot.

Zechariah 13:4
And on that day every prophet who prophesies will be ashamed of his vision, and he will not put on a hairy cloak in order to deceive.

1 Corinthians 4:11
To this very hour we are hungry and thirsty, we are poorly clothed, we are brutally treated, we are homeless.

2 Corinthians 11:27
in labor and toil and often without sleep, in hunger and thirst and often without food, in cold and exposure.

Revelation 11:3
And I will empower my two witnesses, and they will prophesy for 1, 260 days, clothed in sackcloth."