Fiona Gallagher, as portrayed in the show Shameless, is a complex character defined by her strong will, resourcefulness, and the heavy burden of responsibility she carries as the eldest child in the Gallagher family. She is a caring and protective sister, often acting as a mother figure for her siblings due to her parents' dysfunction. However, she also struggles with impulse control, makes impulsive decisions, and has a tendency to enter into unhealthy relationships. 

Here's a more detailed breakdown: 

Key Characteristics:

• Strong-willed and resourceful: 
Fiona is a survivor who takes on multiple jobs to provide for her family, even those that are demeaning. 





• Protective and caring: 
She's fiercely loyal to her siblings, always trying to ensure their well-being and safety. 





• Impulsive and volatile: 
Fiona's actions are often driven by her emotions and impulses, leading to mistakes and consequences. 





• Tends to seek validation in relationships: 
She often gets caught up in unhealthy relationships, seeking a sense of belonging and love. 





• Lacks self-worth: 
Fiona often struggles with feelings of inadequacy and self-doubt. 




 Notable Traits and Actions:
• Takes on guardianship of her siblings: 
In Season 3, Fiona legally becomes the guardian of her siblings, placing immense responsibility on her young shoulders. 





• Struggles with addiction: 
Fiona has a history of substance abuse and a tendency towards addiction, including alcohol and unhealthy relationships. 





• Attempts to "get ahead": 
Fiona constantly tries to improve her family's situation, but her schemes often lead to setbacks and disappointment. 





• Fights for her siblings: 
Fiona will go to great lengths to protect her siblings from harm, even if it means making questionable choices. 




In the U.S. version of "Shameless," Fiona Gallagher was the primary guardian for her siblings: Lip, Ian, Carl, and Liam. She also had legal guardianship of the children after a court battle with their father, Frank.