She attended Eagle's Peak High School and then went on to study at the National University of Lesotho, graduating with a Bachelor of Science in Education (B.Sc.Ed.)

The assembly's privileges committee subsequently found that Lekhanya and four other BNP members had threatened and intimidated Motsamai, and recommended that they be suspended from parliament without pay for up to five months.

When parliament returned, Motsamai (who had joined the new party) asked MPs to stand in the seats to show their support for Mosisili's government, and subsequently ruled that he still had control of the assembly and could thus remain in power.

[6] Thabang Kholumo, the deputy leader of the Popular Front for Democracy, said that Motsamai's ruling was unconstitutional, as she had usurped King Letsie III's power to nominate the prime minister, while Tom Thabane, the leader of the All Basotho Convention, called for Motsamai and Mosisili to be arrested for treason.

She was re-elected to the speakership in March 2015, following the 2015 general election, when the Democratic Congress returned to power at the head of a coalition government.