Born on 30 December 1976 in Orsha. He graduated from the Geography Faculty of the Belarusian State University.In 1995 Paval Sieviaryniets joined the Belarusian Popular Front. In February 1997 he became leader of the Minsk youth fraction of the organization. In September 1997 he became one of the founders of Malady Front.

From 1994 till 1999 he worked as journalist for several state and commercial newspapers. He is a prize-winner of the Ales Adamovich literature premium of the Belarusian PEN Center and Vasil Bykau Freedom of Thought award.

In 1999-2003 he was a Vice-President of the Belarusian Popular Front party, in 1999-2004 was a chairman of the Young Front. He is currently a chairman of the organizing committee of the Belarusian Christian Democracy (BCD).

Chronicle of repression

On 31 May 2005 Pavel Sieviaryniets was sentenced to 3 years of forced labour for organizing mass protests against the participation of Aliaksandr Lukashenko in presidential elections after the 2004 referendum in Belarus. The Belarusian oppositionist was accused of violating the article 342 of the Criminal Code of the Republic of Belarus (organization and active participation in group actions, seriously violating public order). He spent 2 years on lumber sites in a village in northern Belarus and was released on amnesty in 2007.

Pavel Sieviaryniets served as a head of the Electoral Office of former presidential candidate Vital Rymasheusky. He was arrested after the opposition demonstration that took place after the presidential election in December 2010.

On the night of 19 and 20 December 2010, after a few hours after the pacification of a peaceful demonstration on the Minsk Independence Square, Pavel Sieviaryniets was arrested and taken to the KGB detention center. At the end of December 2010, he was accused under the article 293, part 1 and 2 of the Criminal Code (mass riots). On 4 April 2011 he was accuse under  the article 342 of the Criminal Code of Belarus (organization and active participation in group actions, seriously violating public order).

On 16 May 2011, Sieviaryniets was convicted by a court in Minsk to 3 years of forced labour. He served his sentence on a farm in Kuplin, Brest region. He was released on 19 October 2013.