Maeve

 is Harper's cousin who pretended to be kidnapped at sea for 4 years after her family lost all their money.

Biography
Maeve pretended to be kidnapped at sea for 4 years after her family lost all of their money. She had a hard time coping with the paparazzi, bill collectors and the media, so she went on a cruise to escape from the situation. She pretended to resurface in iTake a Girls' Trip and reunites with Harper. However, much to Harper's dismay, Maeve and Spencer hit it off and spend time together.

Physical Appearance
Maeve has dark braided hair.

Personality
Maeve is rather upbeat and optimistic despite her negative experiences.

Harper Bettencourt
Maeve is Harper's cousin who she lost contact with 4 years ago, but they finally see each other again after Maeve returns to Seattle after "her kidnappers let her go". Harper and Maeve want to spend time together, but this is short lived when Maeve takes an interest in Spencer. Harper tries her best to reconnect with her cousin and spend time with her. Harper is upset when she finds out Maeve lied to her about her kidnapping but they eventually make up.

Spencer Shay
(2021, Ex-Boyfriend) When Maeve meets Spencer, the two are instantly smitten with each other and get to know each other better over dinner and living her Titanic dream as Jack and Rose. Although it is not confirmed, the ending hints that the two have started a relationship and Maeve has decided to live with Spencer.

Its revealed in the following episode that the two are officially dating. In IThrow a Flawless Dinner Party. Spencer and Maeve have gotten past the "honeymoon phase" of their relationship and are starting to get on each others nerves. They try to act fine around each other, but they eventually realise they need to take a take a break from their relationship, meaning they have broken up. (See Spencer and Maeve)

Trivia

 * Maeve is Harper's cousin who was first mentioned in iGot Your Back. In that episode, Harper mentions that Maeve hasn't "resurfaced" and hasn't seen her in 4 years up until the events of iTake a Girls' Trip.
 * She first appeared in iTake a Girls' Trip and she revealed she is staying in Seattle for a while.
 * Maeve claimed to have been kidnapped and having been living at sea for 4 years
 * It's revealed in ICan Fix it Myself that Maeve wasn't actually kidnapped but faked it after learning about the family losing all their money.

Credits to

 * iCarly Wiki on Fandom