Updated

A 42-year-old Georgia man has been missing since Feb. 23 after he went to a Louisiana State University basketball game followed by a bar in Baton Rouge with a work client.

Nathan Millard, a married father of five who works in construction, went to a bar called Happy's Irish Pub, about a two-minute walk from the Courtyard Marriott hotel in downtown Baton Rouge where he was staying, after the game. 

Around 11:30 p.m., Millard left Happy's to go back to his hotel room but never made it back, Millard's high school friend, Matt Still, told Fox News Digital.

"The next morning, [Millard's] client was supposed to meet him at the work site … at 8:00 [a.m.] and Nathan didn't show up," Still said. "The client waited until about 9:00 [a.m.] and then went back to the hotel … and he asked the hotel manager to do a wellness check on Nathan's room."

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Missing Nathan Miller poses with his daughter

Nathan Miller, a married father of five who works in construction, went to a bar called Happy's Irish Pub, about a two-minute walk from the Courtyard Marriott hotel where he was staying, after the game.  (FOX 5 Atlanta)

Millard's belongings were still inside the hotel room, but his bed hadn't been "slept in."

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His phone was recovered "about four blocks away from the hotel," according to Still. 

Family and friends have been awaiting answers regarding Millard's whereabouts ever since.

Baton Rouge police have apparently shown Millard's wife video footage of someone using Millard's credit card and said the card has been used numerous times since Miller was last seen, according to Still.

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"They haven't provided any footage … or any other information other than that," Still said.

Nathan Millard went to an LSU basketball game followed by Happy's Irish Pub in downtown Baton Rouge on Feb. 23, when he was last seen.

Nathan Millard went to an LSU basketball game followed by Happy's Irish Pub in downtown Baton Rouge on Feb. 23, when he was last seen. (Baton Rouge Police Department)

Authorities also apparently found Millard's wallet, but his identification has not turned up yet, according to Still.

The Baton Rouge Police Department (BRPD) did not immediately respond to an inquiry from Fox News Digital.

Several of Millard's high school friends have posted about the 42-year-old's disappearance on social media.

Missing Nathan Miller

Miller works in construction and was supposed to meet a client in Baton Rouge before he disappeared. (FOX 5 Atlanta)

"He's one of the rare people that never had an enemy in high school. … Everybody liked Nathan. He was really easy to get along with," Still said. "He was everybody's friend. He didn't make enemies and had one of those infectious smiles. Just a good dude."

Millard has two teenaged sons, two stepsons and a 7-year-old daughter with his wife, Still said.

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The 42-year-old was last seen wearing a green baseball cap, black shirt and blue jeans, according to the BRPD. 

Authorities are asking anyone with information about Millard's whereabouts to contact BRPD's Missing Persons Division at (225) 389-3853 or Crime Stoppers at (225) 344-7867.